Skip to main content
POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
eth_getCode
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_getCode",
  "id": 1,
  "params": [
    "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
    "latest"
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
Base API method eth_getCode retrieves the code stored at a specific address. This method is typically used to inspect the bytecode of smart contracts on the Base blockchain. This example retrieves the bytecode of the USDC token on the Base Mainnet.
When called against a block older than the latest ~128 blocks, this method is treated as an archive request (2 RUs instead of 1 RU). See request units.
Get your own node endpoint todayStart for free and get your app to production levels immediately. No credit card required.You can sign up with your GitHub, X, Google, or Microsoft account.

​
Parameters

  • address — the address to get the code from.
  • block — the block number (in hexadecimal) or one of the strings "earliest", "latest", or "pending", indicating the state to consider. The default is "latest".

​
Response

  • result — the code from the specified address, returned as a hexadecimal string.

​
Use case

The eth_getCode method is essential for:
  • Developers and auditors who need to verify the deployed bytecode of smart contracts.
  • DApps that interact with contracts dynamically based on their code.
  • Tools and services that monitor and analyze contract deployments and updates.

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:eth_getCode
required
​
id
integer
default:1
required
​
params
string[]
required

Response

200 - application/json

The code from the specified address

​
jsonrpc
string
​
id
integer
​
result
string
Last modified on May 18, 2026